/usr/share/sgml/html/dtd/html-0.dtd is in sgml-data 2.0.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | <!-- html-0.dtd
Document Type Definition for the HyperText Markup Language
as used by minimally conforming World Wide Web applications
(HTML Level 0 DTD).
$Id: html-0.dtd,v 1.1 2001/03/11 06:00:54 apharris Exp $
Author: Daniel W. Connolly <connolly@hal.com>
See Also: http://www.hal.com/%7Econnolly/html-spec/index.html
http://info.cern.ch/hypertext/WWW/MarkUp2/MarkUp.html
-->
<!ENTITY % HTML.Version
"-//IETF//DTD HTML Level 0//EN//2.0"
-- public identifier for "minimal conformance" version --
-- Typical usage:
<!DOCTYPE HTML PUBLIC
"-//IETF//DTD HTML Level 0//EN">
<html>
...
</html>
--
>
<!-- Feature Test Entities -->
<!ENTITY % HTML.Highlighting "IGNORE">
<!ENTITY % HTML.Forms "IGNORE">
<!ENTITY % head.link " " -- no link in head at level 0 -->
<!ENTITY % linkExtraAttributes " ">
<!ENTITY % img.alt.default "#REQUIRED">
<!ENTITY % head.link " ">
<!ENTITY % html PUBLIC "-//IETF//DTD HTML//EN//2.0">
%html;
|